/**
 * Created the 5:46:27 PM.
 */
package com.google.code.head2head.service;

import java.util.List;

/**
 * @author Eric Bellard - eric.bellard@gmail.com
 * Copyright © 2007 Eric Bellard. All rights reserved. 
 */
public interface LoginService {

	/**
	 * Returns the user id if authentification is valid
	 * @param login
	 * @param password
	 * @return
	 */
	public Long authenticate(String login, String password);
	
	public List getAllUsers();
	
}
